Re: [akpm-mm:mm-unstable 360/372] ld.lld: error: duplicate symbol: swap_free_nr

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On Thu, 2024-04-11 at 19:11 +0800, Chuanhua Han wrote:
> kernel test robot <lkp@xxxxxxxxx> 于2024年4月11日周四 18:32写道:
> > 
> > tree:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-unstable
> > head:   de14d5f2a9ff2df737a01575ee95bc5a35f5853d
> > commit: ca23b4d4cae5d32a9d22fb3c39550dcf43df83f9 [360/372] mm: swap: introduce swap_free_nr() for batched swap_free()
> > config: arm-allnoconfig (https://download.01.org/0day-ci/archive/20240411/202404111834.XUWxYckr-lkp@xxxxxxxxx/config)
> > compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 8b3b4a92adee40483c27f26c478a384cd69c6f05)
> > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240411/202404111834.XUWxYckr-lkp@xxxxxxxxx/reproduce)
> > 
> > If you fix the issue in a separate patch/commit (i.e. not just a new version of
> > the same patch/commit), kindly add following tags
> > > Reported-by: kernel test robot <lkp@xxxxxxxxx>
> > > Closes: https://lore.kernel.org/oe-kbuild-all/202404111834.XUWxYckr-lkp@xxxxxxxxx/
> > 
> > All errors (new ones prefixed by >>):
> > 
> > > > ld.lld: error: duplicate symbol: swap_free_nr
> >    >>> defined at main.c
> >    >>>            init/main.o:(swap_free_nr) in archive vmlinux.a
> >    >>> defined at vsprintf.c
> >    >>>            vsprintf.o:(.text+0x1) in archive lib/lib.a
> > --
> > > > ld.lld: error: duplicate symbol: swap_free_nr
> >    >>> defined at main.c
> >    >>>            init/main.o:(swap_free_nr) in archive vmlinux.a
> >    >>> defined at platform.c
> >    >>>            drivers/of/platform.o:(.text+0x1) in archive vmlinux.a
> > --
> > > > ld.lld: error: duplicate symbol: swap_free_nr
> >    >>> defined at main.c
> >    >>>            init/main.o:(swap_free_nr) in archive vmlinux.a
> >    >>> defined at bdev.c
> >    >>>            block/bdev.o:(.text+0x1) in archive vmlinux.a
> > --
> > > > ld.lld: error: duplicate symbol: swap_free_nr
> >    >>> defined at main.c
> >    >>>            init/main.o:(swap_free_nr) in archive vmlinux.a
> >    >>> defined at commoncap.c
> >    >>>            security/commoncap.o:(.text+0x1) in archive vmlinux.a
> > --
> > > > ld.lld: error: duplicate symbol: swap_free_nr
> >    >>> defined at main.c
> >    >>>            init/main.o:(swap_free_nr) in archive vmlinux.a
> >    >>> defined at meminfo.c
> >    >>>            fs/proc/meminfo.o:(.text+0x1) in archive vmlinux.a
> > --
> > > > ld.lld: error: duplicate symbol: swap_free_nr
> >    >>> defined at main.c
> >    >>>            init/main.o:(swap_free_nr) in archive vmlinux.a
> >    >>> defined at array.c
> >    >>>            fs/proc/array.o:(.text+0x1) in archive vmlinux.a
> > --
> > > > ld.lld: error: duplicate symbol: swap_free_nr
> >    >>> defined at main.c
> >    >>>            init/main.o:(swap_free_nr) in archive vmlinux.a
> >    >>> defined at base.c
> >    >>>            fs/proc/base.o:(.text+0x1) in archive vmlinux.a
> > --
> > > > ld.lld: error: duplicate symbol: swap_free_nr
> >    >>> defined at main.c
> >    >>>            init/main.o:(swap_free_nr) in archive vmlinux.a
> >    >>> defined at nommu.c
> >    >>>            fs/proc/nommu.o:(.text+0x1) in archive vmlinux.a
> > --
> > > > ld.lld: error: duplicate symbol: swap_free_nr
> >    >>> defined at main.c
> >    >>>            init/main.o:(swap_free_nr) in archive vmlinux.a
> >    >>> defined at buffered-io.c
> >    >>>            fs/iomap/buffered-io.o:(.text+0x1) in archive vmlinux.a
> > --
> > > > ld.lld: error: duplicate symbol: swap_free_nr
> >    >>> defined at main.c
> >    >>>            init/main.o:(swap_free_nr) in archive vmlinux.a
> >    >>> defined at drop_caches.c
> >    >>>            fs/drop_caches.o:(.text+0x1) in archive vmlinux.a
> > --
> > > > ld.lld: error: duplicate symbol: swap_free_nr
> >    >>> defined at main.c
> >    >>>            init/main.o:(swap_free_nr) in archive vmlinux.a
> >    >>> defined at coredump.c
> >    >>>            fs/coredump.o:(.text+0x1) in archive vmlinux.a
> > ..
> > 
> 
> Hi,
> thank you!
> 
> SeongJae reported this and fixed it with a patch here:
> https://lore.kernel.org/linux-mm/20240410233759.274907-1-sj@xxxxxxxxxx/
> 
> Can you please test it?

We tested the patch in the link above, and confirmed it fixes the build
issue in this report.

Tested-by: Yujie Liu <yujie.liu@xxxxxxxxx>

Thanks

> > --
> > 0-DAY CI Kernel Test Service
> > https://github.com/intel/lkp-tests/wiki
> > 
> 
> 





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